Show ContentsDuys History, Family Crest & Coats of Arms

Etymology of Duys

What does the name Duys mean?

Duys is a name whose ancestors lived among the Picts, a tribe in ancient Scotland. The Duys family lived in Angus (in the modern region of Tayside), and claim descent from Gaelic MacDhai, son of David. 1

Early Origins of the Duys family

The surname Duys was first found in Angus (Gaelic: Aonghas), part of the Tayside region of northeastern Scotland, and present day Council Area of Angus, formerly known as Forfar or Forfarshire, where they were descended from the Gaelic MacDhai, son of David. From the 13th century onward the name was anglicized MacDavid, Davidson, Deasson and Deas. The branches using Deas and Deasson settled in Angus and in Banffshire at the end of the fifteenth century.

"James Dais is recorded in Dundee, 1611, and Mr. John Daes in Huntliewood, 1638. James Daes was minister of the church of Ersiltoune, 1643. Andrew Daes, stabler, appears in Edinburgh, 1627, and David Daes, tailor there, 1666." 2

Early History of the Duys family

This web page shows only a small excerpt of our Duys research. Another 72 words (5 lines of text) covering the years 1611, 1627, 1638, 1677, 1683 and 1804 are included under the topic Early Duys History in all our PDF Extended History products and printed products wherever possible.

Duys Spelling Variations

The appearance of the printing press and the first dictionaries in the last few hundred years did much to standardize spelling. Prior to that time scribes spelled according to sound, a practice that resulted in many spelling variations. Duys has been spelled Deas, Dease, Deasey, Deasy, Dais, Daes, Deasson, Deason, Dasone and many more.

Early Notables of the Duys family

More information is included under the topic Early Duys Notables in all our PDF Extended History products and printed products wherever possible.

Migration of the Duys family to Ireland

Some of the Duys family moved to Ireland, but this topic is not covered in this excerpt.
Another 30 words (2 lines of text) about their life in Ireland is included in all our PDF Extended History products and printed products wherever possible.

Migration of the Duys family

The expense of the crossing to the North American colonies seemed small beside the difficulties of remaining in Scotland. It was a long and hard trip, but at its end lay the reward of freedom. Some Scots remained faithful to England and called themselves United Empire Loyalists, while others fought in the American War of Independence. Much of this lost Scottish heritage has been recovered in the last century through Clan societies and other patriotic Scottish organizations. A search of immigration and passenger lists revealed many important, early immigrants to North America bearing the name of Duys: Dennis Dease, who settled in Philadelphia, Pennsylvania in 1855; another Dennis, who settled there in 1863; Patrick Deasey, who settled in Philadelphia in 1835.



  1. Harrison, Henry, Surnames of the United Kingdom: A Concise Etymological Dictionary Baltimore: Geneological Publishing Company, 2013. Print
  2. Black, George F., The Surnames of Scotland Their Origin, Meaning and History. New York: New York Public Library, 1946. Print. (ISBN 0-87104-172-3)


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